[rygel] i18n: Work-around gettext issue with newer autotools

[Jens Georg <jensgeorg src gnome org>]

commit 8b35680d9fe41e47475b42096fda060b86058666
Author: Jens Georg <mail jensge org>
Date:   Mon Jan 18 21:55:39 2016 +0100

    i18n: Work-around gettext issue with newer autotools
    
    Signed-off-by: Jens Georg <mail jensge org>

 po/POTFILES.skip |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/po/POTFILES.skip b/po/POTFILES.skip
index 1324395..abc3064 100644
--- a/po/POTFILES.skip
+++ b/po/POTFILES.skip
@@ -274,6 +274,8 @@ src/ui/rygel-preferences-dialog.c
 src/ui/rygel-preferences-section.c
 src/ui/rygel-user-config.c
 src/ui/rygel-writable-user-config.c
+sub/data/rygel-preferences.desktop.in
+sub/data/rygel.desktop.in
 tests/plugins/media-export/regression.c
 tests/rygel-album-art-spec-test.c
 tests/rygel-configuration.c